chore(deps): update nextjs monorepo to v15.4.3

Author: renovate[bot]

package.json

@@ -24,7 +24,7 @@
     "@vitest/coverage-v8": "3.2.4",
     "cpy": "11.1.0",
     "eslint": "9.31.0",
-    "eslint-config-next": "15.4.2",
+    "eslint-config-next": "15.4.3",
     "eslint-config-prettier": "10.1.8",
     "eslint-plugin-prettier": "5.5.3",
     "execa": "9.6.0",

packages/website/package.json

@@ -19,7 +19,7 @@
     "@types/react-dom": "19.1.6",
     "@uiw/react-codemirror": "4.24.1",
     "clsx": "2.1.1",
-    "next": "15.4.2",
+    "next": "15.4.3",
     "next-themes": "0.4.6",
     "nextra": "3.3.1",
     "nextra-theme-docs": "3.3.1",